Vulnerability Report

CVE-2017-16355

Title: Phusion Passenger Information Disclosure

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2017-16355.

CWE Category CWE-200

Published Date Dec 14, 2017

Modified Date May 13, 2026

Exploit Status Not Found

Score 4.7 CVSS v3.1

Exploit Probability (EPSS)

0.14%

Vulnerability Summary

CVE-2017-16355: In agent/Core/SpawningKit/Spawner.h in Phusion Passenger 5.1.10 (fixed in Passenger Open Source 5.1.11 and Passenger Enterprise 5.1.10), if Passenger is running as root, it is possible to list the contents of arbitrary files on a system by symlinking a file named REVISION from the application root folder to a file of choice and querying passenger-status --show=xml.

Impacted Vendors

phusion 1

Reference Links

https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/ https://github.com/phusion/passenger/commit/4043718264095cde6623c2cbe8c644541036d7bf https://seclists.org/bugtraq/2019/Mar/34 https://www.debian.org/security/2019/dsa-4415 https://blog.phusion.nl/2017/10/13/passenger-security-advisory-5-1-11/ https://github.com/phusion/passenger/commit/4043718264095cde6623c2cbe8c644541036d7bf https://seclists.org/bugtraq/2019/Mar/34 https://www.debian.org/security/2019/dsa-4415

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

4.7

Attack Vector

LOCAL

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

Source Entity [email protected]

Severity LOW

1.2

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:H/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns